diff --git a/deploy/README.md b/deploy/README.md
index 1f522d5029..013d923116 100644
--- a/deploy/README.md
+++ b/deploy/README.md
@@ -245,5 +245,5 @@ To detect which version of the ingress controller is running, exec into the pod
 ```console
 POD_NAMESPACE=ingress-nginx
 POD_NAME=$(kubectl get pods -n $POD_NAMESPACE -l app=ingress-nginx -o jsonpath={.items[0].metadata.name})
-kubectl exec -it $POD_NAME -n $POD_NAMESPACE /nginx-ingress-controller --version
+kubectl exec -it $POD_NAME -n $POD_NAMESPACE -- /nginx-ingress-controller --version
 ```